C# 连接sql数据库 查询一个学生的各项数据的核心代码 分可视化和非可视化 -C# to connect sql database query of a student of the core code of the data points and non-visualization visualization
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002042s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.105654s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002407s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002231s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002454s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005043s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002041s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003332s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015604s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002555s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 73156 [ RunTime:0.001255s ]
